For system ventilation the valve should be mounted at the system's highest point.

对于系统通风阀应安装在系统的最高点。

youdao

Pesents the air conditioning pattern and the design of cold and heat sources, water system, ventilation and smoke management systems, and automatic control system.

介绍了空调形式、冷热源、水系统、通风及防排烟、自控系统的设计。

youdao

Presents the general situation of the project and the design characteristics of cold and heat sources, water system, ventilation system and smoke control and extraction system.

介绍了该工程的概况和空调冷热源、水系统、通风系统及防排烟系统设计特点。

youdao

Experience shows us that transmission becomes widespread within the passenger cabin involving all sections when the ventilation system is not working -- as evidenced by an influenza outbreak in 1979 involving passengers being kept aboard grounded aircraft with an inoperative ventilation system.

CNN: Commentary: Flu and your health on a plane

One example: In 2005 OnStar detected and fixed a problem in the electronic ventilation system in GM's 2006 full-size SUVs.

FORBES: Magazine Article

She believed the solar-paneled roof would power the entire car, not just the ventilation system, as is actually the case.

FORBES: Solar-Powered Cars? Clean Energy Hype Needs a Sober Dose Of Reality